Vestibular influences on orientation in zero gravity, produced by parabolic flight.
D006801:Humans; D007088:Illusions; D007699:Kinesthesis; D007759:Labyrinth Diseases / Q000503:physiopathology*; D009949:Orientation; D012399:Rotation; D012679:Sense Organs / Q000502:physiology; D013026:Space Flight; D014722:Vestibule, Labyrinth / Q000502:physiology*